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size question

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Can a 4D object exist in a 4D space? So does a space containing a 4D object have to be 5D? For example, can a dimension that meets the requirements of L2C and contain more than one universe be 5D?
 
Can a 4D object exist in a 4D space?
Just as a 3D object can exist in a larger 3D space, yes, a 4D object can exist in a larger 4D space.
So does a space containing a 4D object have to be 5D?
No, if I give you a cube with a volume of 1 cubic centimetre, a cube with a volume of 1 cubic metre will be sufficient to contain it. Similarly, to encompass a space-time continuum with finite 3-dimensional space, a space-time continuum with infinite 3-dimensional space can be used at every point in time (similarly, to encompass a space-time continuum whose time does not extend to infinity, a space-time continuum with infinite time can be used).
For example, can a dimension that meets the requirements of L2C and contain more than one universe be 5D?
Yes if it meets our wiki standards for this, no if it doesn't. (i.e. no by default).
 
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